Home / 4,253.30-6,379.58-1,479.50

Finding the Fourth Proportional to 4,253.30, 6,379.58 and 1,479.50

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Solution

The fourth proportional to 4,253.30, 6,379.58 and 1,479.50 is: 2,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.30 : 6,379.58 = 1,479.50 : x
  2. Step 2: Convert to fraction form
    4,253.30/6,379.58 = 1,479.50/x
  3. Step 3: Cross multiply
    4,253.30x = 6,379.58 × 1,479.50
  4. Step 4: Simplify right side
    4,253.30x = 9,438,549.31
  5. Step 5: Solve for x
    x = 9,438,549.31/4,253.30
  6. Step 6: Final answer
    x = 2,219.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.